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This command is used to construct a Corotational Truss (CorotTruss) element object. A corotational formulation adopts a set of corotational axes which rotate with the element, thus taking into account an exact geometric transformation between local and global frames of reference.
There are two ways to construct a Corotational Truss element object:
One way is to specify an area and a UniaxialMaterial identifier:
element corotTruss $eleTag $iNode $jNode $A $matTag
the other is to specify a Section identifier:
element corotTruss $eleTag $iNode $jNode $secTag
$eleTag |
unique element object tag |
$iNode $jNode |
end nodes |
$A |
cross-sectional area of element |
$matTag |
tag associated with previously-defined UniaxialMaterial object |
$secTag |
tag associated with previously-defined Section object |
NOTE: When constructed with a UniaxialMaterial object, the truss element considers strain-rate effects, and is thus suitable for use as a damping element.
The valid queries to a corotational truss element when creating an ElementRecorder object are 'axialForce,' 'stiff,' 'material $matNum matArg1 matArg2...,' 'section $secNum sectArg1 sectArg2...'
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